const path = require("path");

function resolve(dir) {
    return path.join(__dirname, dir);
}

const name = "互开组件库"; // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 9528 npm run dev OR npm run dev --port = 9528
// const port = process.env.port || process.env.npm_config_port || 9528; // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
    /**
     * You will need to set publicPath if you plan to deploy your site under a sub path,
     * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
     * then publicPath should be set to "/bar/".
     * In most cases please use '/' !!!
     * Detail: https://cli.vuejs.org/config/#publicpath
     */
    publicPath: "/",
    outputDir: "dist",
    assetsDir: "static",
    // lintOnSave: process.env.NODE_ENV === "development",
    productionSourceMap: false,

    devServer: {
        port: 8091, // 端口号
        host: "0.0.0.0",
        https: false, // https:{type:Boolean}
        open: false, // 配置自动启动浏览器
        proxy: {
            "/api": {
                // target: "http://192.168.1.101:10100/api", // 测试
                target: "http://localhost:8080/api", // 测试
                // target: "http://stopboot.nat300.top/api", // 测试
                // target: "https://www.stopboot.com/api", // 正式
                changeOrigin: true, // 开启代理，在本地创建一个虚拟服务端
                ws: true, // websocket
                pathRewrite: {
                    "^/api": "" // 这种接口配置出来     http://XX.XX.XX.XX:8083/api/login
                    //'^/api': '/' 这种接口配置出来     http://XX.XX.XX.XX:8083/login
                }
            }
        }
    },

    configureWebpack: {
        // provide the app's title in webpack's name field, so that
        // it can be accessed in index.html to inject the correct title.
        name: name,
        resolve: {
            alias: {
                "@": resolve("src"),
                assets: resolve("src/assets"),
                views: resolve("src/views"),
                components: resolve("src/components")
            }
        }
    },
    chainWebpack: config => {
        config.plugins.delete("preload"); // TODO: need test
        config.plugins.delete("prefetch"); // TODO: need test

        // set svg-sprite-loader
        config.module
            .rule("svg")
            .exclude.add(resolve("src/icons"))
            .end();
        config.module
            .rule("icons")
            .test(/\.svg$/)
            .include.add(resolve("src/icons"))
            .end()
            .use("svg-sprite-loader")
            .loader("svg-sprite-loader")
            .options({
                symbolId: "icon-[name]"
            })
            .end();
        // set preserveWhitespace
        // config.module
        //   .rule("vue")
        //   .use("vue-loader")
        //   .loader("vue-loader")
        //   .tap(options => {
        //     options.compilerOptions.preserveWhitespace = true;
        //     return options;
        //   });
        config.module
            .rule("eslint")
            .use("eslint-loader")
            .loader("eslint-loader")
            .tap(options => {
                const optionsTemp = options;
                optionsTemp.fix = true;
                return optionsTemp;
            })
            .end();
        config
            // https://webpack.js.org/configuration/devtool/#development
            .when(process.env.NODE_ENV === "development", config =>
                config.devtool("cheap-source-map")
            );

        config.when(process.env.NODE_ENV !== "development", config => {
            // config
            //   .plugin('ScriptExtHtmlWebpackPlugin')
            //   .after('html')
            //   .use('script-ext-html-webpack-plugin', [{
            //     // `runtime` must same as runtimeChunk name. default is `runtime`
            //     inline: /runtime\..*\.js$/
            //   }])
            //   .end()

            config.optimization.splitChunks({
                chunks: "all",
                cacheGroups: {
                    libs: {
                        name: "chunk-libs",
                        test: /[\\/]node_modules[\\/]/,
                        priority: 10,
                        chunks: "initial" // only package third parties that are initially dependent
                    },
                    elementUI: {
                        name: "chunk-elementUI", // split elementUI into a single package
                        priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                        test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                    },
                    commons: {
                        name: "chunk-commons",
                        test: resolve("src/components"), // can customize your rules
                        minChunks: 3, //  minimum common number
                        priority: 5,
                        reuseExistingChunk: true
                    }
                }
            });
            config.optimization.runtimeChunk("single");
        });
    }
};
